Ascension Saint Thomas Foundation Leadership Announced

The Ascension Saint Thomas Foundation announced several key leadership appointments to advance the mission of improving the health and well-being of the communities served by the health system. The appointments will strengthen philanthropic support, deepen donor engagement and expand community partnerships across Middle Tennessee.

Greg Walaitis was named vice president of the Ascension Saint Thomas Foundation in May. As the senior executive of the foundation, he will oversee philanthropic strategy, operations and community development focused on raising and stewarding support for Ascension Saint Thomas hospitals and facilities, clinical programs and patient care initiatives. In his role, Walaitis will work closely with leadership, physicians and donors to strengthen connections between community support and the health system's most critical needs, helping advance priorities that improve care delivery and expand services across the region.

The foundation also welcomed April Posey as executive director of corporate partnerships in February. She leads corporate engagement and partnership development efforts that advance the foundation's philanthropic mission and oversees the foundation's signature fundraising events, including the Seton Gala, Rock the Cradle and the Good Health Classic. Through these efforts, Posey works to strengthen community partnerships and increase engagement in support of Ascension Saint Thomas across Middle Tennessee.

Greg Walaitis brings more than 25 years of experience in development and philanthropy across health care and academic institutions. Most recently, he served as chief development officer for Renown Health in Reno, Nevada, where he led philanthropic efforts supporting the region's largest locally owned and governed not-for-profit health system. He also helped lead a $125 million initiative for a new Cancer and Children's Hospital.

During his tenure, Renown Health secured several transformational gifts, including major support for the Pennington Cancer Institute, a new Kidney Transplant Center and endowed funding for their Children's Hospital NICU and PICU services. He also helped launch initiatives supporting music therapy, breast health services and advanced cardiac care technologies.

Before joining Renown Health, Walaitis held executive foundation leadership roles with Sutter Health and Saint Agnes Medical Center in California. He is widely recognized for building strong physician partnerships, expanding grateful patient programs and strengthening philanthropic strategy to support mission-driven health care systems.

April Posey brings more than 18 years of experience in development and corporate philanthropy across health care and arts organizations, including leadership roles with Tennessee Performing Arts Center, Change Healthcare and the American Heart Association. Most recently, she served as director of corporate partnerships for TPAC, where she led corporate partnership strategy and advanced community engagement initiatives through strategic sponsorships and cross-sector collaboration.

Prior to TPAC, Posey served as corporate giving director for Change Healthcare, where she led national corporate philanthropy, employee engagement, volunteerism and nonprofit partnership initiatives across the United States.

Throughout her career, Posey has built a reputation for creating collaborative partnerships that align business and community priorities to generate lasting impact.